package com.tsll.filter;

import javax.servlet.*;
import javax.servlet.annotation.WebFilter;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
@WebFilter("/**")
public class LoginFilter implements Filter {

    public void init(FilterConfig filterConfig) throws ServletException {

    }

    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
        HttpServletRequest req = (HttpServletRequest) servletRequest;
        HttpServletResponse resp = (HttpServletResponse) servletResponse;
        String path = req.getServletPath();
        if ("/login3.jsp".equals(path)||"/login/all".equals(path)||path.endsWith(".jpg")||path.endsWith(".png")||path.endsWith(".css")||path.endsWith(".js")){
            filterChain.doFilter(req,resp);
            return;
        }
        Object login = req.getSession().getAttribute("staff");
        if (login!=null){
            filterChain.doFilter(req,resp);
            return;
        }
        resp.sendRedirect("/login3.jsp");
    }

    public void destroy() {

    }
}
